18706768

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2297}}^1$

素因数の和:2814

約数の個数: 20

約数和(自身を含む): 36331380

約数和(自身を除く): 17624612

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2297, 4072, 4594, 8144, 9188, 18376, 36752, 1169173, 2338346, 4676692, 9353384, 18706768]

約数ペア:

[(1, 18706768), (2, 9353384), (4, 4676692), (8, 2338346), (16, 1169173), (509, 36752), (1018, 18376), (2036, 9188), (2297, 8144), (4072, 4594)]